Mariah Carey

Mariah Carey Pictures

Ever since she had her very first "Vision of Love" in 1990, the singing and songwriting efforts of one Mariah Carey have shown up as regularly on the Billboard 100 as razzle-dazzle custom-made bras have shown up on Madonna's bust. With one of the most stunning looks in entertainment and perhaps the most recognizable voices in music, the legacy of Mariah Carey spans more than 20 years and across…